Facts about star spangled banner?

Below are several facts about the Star Spangled Banner.

  1. Francis Scott Key wrote the Star Spangled Banner in 1814.
  2. The tradition of singing the Star Spangled Banner at sport games started during WWII.
  3. In 1931, The SSB was designated the national anthem by Congress.
  4. British attacks on Fort McHenry inspired Francis Scott Key to write the poem.
  5. The poem was set to music composed by John Stafford Smith.
  6. The song has 4 verses.